A hydraulic tool cutting dies including first and second cutting dies. The first cutting die has a first mounting section and a first cutting edge. The first mounting section is sized and shaped to removably attached to a hydraulic tool. The second cutting die has a second mounting section and a second cutting edge. The second mounting section is sized and shaped to removably attached to the hydraulic tool. The first cutting die includes a post extending past the first cutting edge and the second cutting die includes a post receiving area which has a different cross-sectional shape than the post.